Reference number
ISO 13165-3:2016
© ISO 2024
International Standard
ISO 13165-3:2016
Water quality — Radium-226 — Part 3: Test method using coprecipitation and gamma-spectrometry
Edition 1
2016-03
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Published (Edition 1, 2016)

ISO 13165-3:2016

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CHF 96
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Abstract

ISO 13165-3:2016 specifies the determination of radium-226 (226Ra) activity concentration in all types of water by coprecipitation followed by gamma-spectrometry (see ISO 18589‑3).

The method described is suitable for determination of soluble 226Ra activity concentrations greater than 0,02 Bq l−1 using a sample volume of 1 l to 100 l of any water type.

For water samples smaller than a volume of 1 l, direct gamma-spectrometry can be performed following ISO 10703 with a higher detection limit.

NOTE This test method also allows other isotopes of radium, 223Ra, 224Ra, and 228Ra, to be determined.

General information

  • Status
     : Published
    Publication date
     : 2016-03
    Stage
    : International Standard to be revised [90.92]
  • Edition
     : 1
    Number of pages
     : 14
  • Technical Committee :
    ISO/TC 147/SC 3
    ICS :
    17.240  13.060.60 
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